Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV
Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV Detail:
Donpanel 422 HCFC-141b base blend polyols for continuous PUR
INTRODUCTION
DonPanel 422/ PUR blend polyols is a compound which consists of polyether polyols, surfactants, catalysts, HCFC-141B and flame retardant in a special ratio. The foam has good thermal insulation property, light in weight, high compression strength and flame retardant and other advantages. It is widely used to produce continuous sandwich panels, corrugated panels etc, which applies to make cold stores, cabinets, portable shelters and so on.
PHYSICAL PROPERTY
|
Appearance |
Light yellow transparent viscous liquid |
|
Hydroxyl value mgKOH/g |
300-340 |
|
Dynamic viscosity （25℃） mPa.S |
300-400 |
|
Density （20℃） g/ml |
1.12-1.16 |
|
Storage temperature ℃ |
10-25 |
|
Storage stability month |
6 |
RECOMMENDED RATIO
|
Raw materials |
PBW |
|
DonPanel 422 blend polyols |
100 |
|
Isocyanate |
120-130 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
Items |
Manual mixing |
High temperature machine |
|
Raw material temperature ℃ |
20-25 |
20-25 |
|
Mould temperature ℃ |
35-45 |
35-45 |
|
Cream time s |
8-16 |
6-10 |
|
Gel time s |
30-60 |
30-40 |
|
Free density kg/m3 |
28.0-35.0 |
33.0-35.0 |
FOAM PERFORMANCES
|
Mold density |
GB 6343 |
≥40kg/m3 |
|
Closed-cell rate |
GB 10799 |
≥90% |
|
Thermal conductivity（15℃） |
GB 3399 |
≤22mW/(m.K) |
|
Compression strength |
GB/T 8813 |
≥140kPa |
|
Adhesive strength |
GB/T 16777 |
≥120kPa |
|
Dimensional stability 24h -20℃ 24h 100℃ |
GB/T 8811 |
≤1% ≤1.5% |
|
Flame retardant grade |
GB/T8624 |
B2 |
The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.
Product detail pictures:
Related Product Guide:
Our enterprise aims to operating faithfully, serving to all of our prospects , and working in new technology and new machine frequently for Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV , The product will supply to all over the world, such as: Ireland, Liverpool, Guatemala, We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with customers both at home and abroad. We expect sincere cooperation and common development!
By Kelly from Denmark - 2018.05.15 10:52
This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
By Jonathan from luzern - 2017.09.29 11:19
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